Sexually Transmitted Infections (STIs) JSS1 Basic Science Lesson Note
Download Lesson NoteTopic: Sexually Transmitted Infections (STIs)
SEXUALLY TRANSMITTED INFECTIONS (STIs)
Definition: Sexually Transmitted Infections (STIs)
Sexually transmitted infections (diseases) are infections that can be spread from one person to another through sexual intercourse with an infected person.
Examples, causative agents, and symptoms of Sexually Transmitted Infections (STIs)
| EXAMPLES OF STIs | CAUSATIVE AGENT | TRANSMISSION | SYMPTOM | PREVENTION | ||
| 1 | Gonorrhea | Bacterium (Neisseria gonorrhea) | – Sexual intercourse
– At delivery through infected mother to baby |
– In women, it causes painful urination and an increasing amount of discharge from the vagina
– In men, it causes painful urination and discharge during urination |
– Abstinence
– Regular medical test – In case of infection, see the doctor – Regular use of condom |
|
| 2 | Chlamydia | Bacterium (Chlamydia trachomais) | – Sexual intercourse | In women, there can be abnormal vaginal discharge, burning feeling during urination, lower abdominal pain, pain during intercourse, or bleeding between menstruation
In men, there can be discharge from the penis, burning/itching around the penis opening, or pain and swelling in the testes |
– Abstinence
– In case of unusual sore or burning effect of urination, see the doctor – Regular use of condom |
|
| 3 | Syphilis | Bacterium (Treponema palladium) | – Direct contact with a sore (in the vagina, anus, or lips)
– Sexual intercourse – From pregnant women to babies |
– chancres (primary stage)
– rashes (secondary stage) – damage to the nervous system (latent stage) – damage to tissues and organs (tertiary stage) |
– Abstinence
– Seek medical attention when an infection is suspected
|
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Effects of Sexually Transmitted Infections (STIs)
It can damage the reproductive organs.
It can break down the immune system
It can be associated with cancer of the reproductive organs
Premature labour or stillbirth (gonorrhea)
Blindness and birth defects in new babies (syphilis and gonorrhea)
Prevention of Sexually Transmitted Infections (STIs)
Public enlightenment
Abstinence
Early treatment in identified cases
Strengthening the immune system
Avoid multiple sexual partners
CLASSWORK
- Give the full meaning of STIs
- Mention three STIs that you know
- Highlight three methods of preventing STIs
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